Apparatus for lifting pipes



H. J. KUHLNIAN.

APPARATUS FOB LIFTNG PIPES.

APPLlcAloN HL'ED AuG.9.192o.

Patented Apr. 11, 1922.

' means which are hereinafter describedand `HENRY.'JJ.-fiiiiiiiiaiiivgonoeniisisrrna;: iowix.f

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.apiuicaaon' aied'augu's 9, 1920.....ser'iai'Naieaief T0 allwh'omtimy concern.' .y

Be it known that l, HENRY lflxnriiiiviaiv,

a citizen of vthe United States of' America., and. a iesident of Colesburg, Delaware County, wIowa, have invented certain new and usefulImprovementsU in Apparatus for Lifting Pipes, of which the following is a specification.

My invention relates to improvements in apparatus for elevating pipes, and the object.

claimed, and which are illustrated in the accompanying drawings, in which Fig. 1 is an elevation of my improved apparatus for elevating pipe, with parts of the supporting f means and of the pipe broken away, and the well-casing shown-in vertical section; Fig.

2 is a like view of the apparatus, taken at an angle ohninet-ydegrees from that shown in said Fig. 1, and Fig. 3 is a plan view V`of the Ycoupling engaging device,l with the bail thereof in horizontal section.

Similar numerals of reference denote cor-` responding parts throughout the several views.

In the drawings, the numeral 16 denotes a cylindrical oitubular well-casing containing pipe-sections 14 connected together by means of the coupling members 13, and 15 is a covering platform having a slotted oritice 17 through which the pipe YeXteiids upwardly. In one end of the opening 17 is fixed a toothed block 19iwith upwardly-inclined teeth, while in said opening at the opposite side of the pipe 14 is pivotally mounted a. toothed sector 18 with upwardlyinclined teeth. The pipe is grasped and held between the teethof the xed block 19 and of the sector18-in`such wisev that the pipev may be moved upwardly'.-the .sector'yielding upwardly, but being held-from subsidence on account of theupwardly VAinclined teeth of the blockfandsectorcooperating to grasp the pipe between them.l Y

VMy improved lifting .apparatus comprises a clip or engaging-coupling 1, in the form passed oveil asheave 9v in a havin@ a fixed hook 10 supported upon a speciiica'tionof Letters-Patent. ratei-fed Ap,.-Mz19ggj Aof; a-'split-rin-g onrecessed-body lia-ving A.up-f; wa'rdlyfincline'd guide-lingers 3 at-each sidef.

offitslateral opening, fand having a` dried`V Y upright Vbail 4.l The middle ot the bail-is Vevrticuy 7011507155, 'Oieceive' a f swivel eye-j bolt 6- The @Ye Of this bolt receives a heol."

7 on one end ot a cable 8, the latter being pulley-block cross-bar 11 ofthe standards 12 of a windmill structure, or of any other supporting means. The Vcable'may have a draft-connection (not shown) at its other end, whereby power may be applied to cause a lifting action upon the engaging-coupling or splitrinlg 1. he ring 1 has on its under side, opposite thelateral opening of its central orice 2, a

depending integral loopV 22 adapted to receive a hook 20 von aV hanging cable 21, the y latter being used to draw themring AClown after eleva-tion, or to swingit iii any 'desired' direction. The ring1 is applied'to engage a pipe- '.8() coupling 13 bysimply positioning it tofhave its opening'2 encompass lthe pipe 14 beneath the coupling 13, and when traction isapplied to the cable 8, the coupled pipe-sections'a're lifted bodily upwardly from the casing 1G.

The clutch-members 19 and r18;-will1hold a Y* lower pipe-section after an upper section has been raised by the apparatus, so that the upper section may be uncoupled, swung out of the way and the ring 1 lpulled down by the cable 21 andv then engaged with the couplingon the lower section, andeso on successively until all the sections have :been elevated and removed.

It will be observed that the opening 2 of the ring 1 is centrally disposed about the p ipe 14, and the upper inner edges of they ring engage equally -upon the under edge ot the coupling 13, creatiiig'a balanced tension thereon, `free from side strain. This vprevents bending of or injury'` to thefpipeor itscouplings, as Voften happens when .engagingf means are applied-tothe pipe from one side..-

The ring 1 is quicklyl andY easily applied', since the guide-ngers prevent escapel of, the couplingV after engagement with., the

aving described my invention, 'what I claim as new, and desire to secureby Letters Patent, is: Y Y

fiio-f`r 1. Apparatus for shiftingrpipe, comprising a 'split-ring with upwardly inclined 'Y 2. Apparatus for shifting pipe, compris` ing a split-ring clip with npnf'ardly inclined guide fingers engaging removably L oonpling on zr pipe, e drait-oonneotion to Seid olip adapted to pull it and the pipe longitib' dinally Withoutside strain, and clutch-members engaged with said pipe adapt-ed to grip it and prevent its movement in one direction only.

3. ilrpparetns for Shifting pipe, comprising :i split-ring with upwardly inclined guidefmgere connected removably to one end of L pipe for yrippinpY it without side strain, including u draft-commotion 'for imparting' movement to the pipe in one direction, and a draft-connection to Said first-Y mentioned nieans operative to impart movement thereto in en opposite direction when released from said pipe.

Signed at Waterloo, Iowa, this 23rd dey of July, 1920. Y

HENRY J. KUHLMAN. 

